Jesus’ encounter with a demonized man is a salient reminder of two extremes to be avoided. Some dismiss the devil as a mythological character personified as a cartoon character, others have an unhealthy preoccupation with his dark world. In the preface to his “Screwtape Letters”, CS Lewis writes, “There are two equal and opposite errors into which our race can fall about the devils. One is to disbelieve in their existence. The other is to believe, and to feel an excessive and unhealthy interest in them. They themselves are equally pleased by both errors, and hail a materialist or a magician with the same delight.”...